Overhead valve cover of an engine



FIG. 1 is a front-right top perspective view of an overhead valve cover of an engine showing the new design;

FIG. 2 is a front-left top perspective view thereof;

FIG. 3 is a rear-left top perspective view thereof;

FIG. 4 is a rear-right top perspective view thereof;

FIG. 5 is a front-right bottom perspective view thereof;

FIG. 6 is a front-left bottom perspective view thereof;

FIG. 7 is a rear-left bottom perspective view thereof;

FIG. 8 is a rear-right bottom perspective view thereof;

FIG. 9 is a front plan view thereof;

FIG. 10 is a rear plan view thereof;

FIG. 11 is a right-side plan view thereof;

FIG. 12 is a left-side plan view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines illustrate portions of the engine that form no part of the claimed design. 

CLAIM The ornamental design for an overhead valve cover of an engine, as shown and described. 